Illinois trails · Blue Single Track Trail
A 2.2-mile out-and-back in Illinois, with 83 ft of climbing. Reaches Rainbarrel Slough and other lake destinations. Managed by Forest Preserve District of Cook County.
Essentially flat — no sustained climb anywhere along its 2.2 miles.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Blue Single Track Trail access — parking nearby. About 30 min drive (18 mi) from Chicago. 41.71328, -87.89628 · directions
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:34 a.m., the sun rises at 7:02 a.m. and sets at 6:12 p.m., and the last usable light fades about 6:40 p.m. (CDT) — 11 h 10 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 4.4-mile round trip takes roughly 1 h 42 min, so leaving the trailhead at sunrise puts you back around 8:44 a.m. — 9 h 28 min before sunset.